小编Kal*_*esh的帖子

我在 springboot 应用程序中使用 webclient 来调用外部 Restful Web 服务。间歇性地出现此异常。

javax.net.ssl.SSLException: SSLEngine closed already SSLEngine closed already

在收到此异常之前，我在日志中看到以下警告。

javax.net.ssl.SSLException:
   at io.netty.handler.ssl.SslHandler.wrap (SslHandler.java854)
   at io.netty.handler.ssl.SslHandler.wrapAndFlush (SslHandler.java811)
   at io.netty.handler.ssl.SslHandler.flush (SslHandler.java792)
   at io.netty.channel.AbstractChannelHandlerContext.invokeFlush0 (AbstractChannelHandlerContext.java750)
   at io.netty.channel.AbstractChannelHandlerContext.invokeFlush (AbstractChannelHandlerContext.java742)
   at io.netty.channel.AbstractChannelHandlerContext.flush (AbstractChannelHandlerContext.java728)
   at io.netty.channel.CombinedChannelDuplexHandler$DelegatingChannelHandlerContext.flush (CombinedChannelDuplexHandler.java531)
   at io.netty.channel.ChannelOutboundHandlerAdapter.flush (ChannelOutboundHandlerAdapter.java125)
   at io.netty.channel.CombinedChannelDuplexHandler.flush (CombinedChannelDuplexHandler.java356)
   at io.netty.channel.AbstractChannelHandlerContext.invokeFlush0 (AbstractChannelHandlerContext.java750)
   at io.netty.channel.AbstractChannelHandlerContext.invokeWriteAndFlush (AbstractChannelHandlerContext.java765)
   at io.netty.channel.AbstractChannelHandlerContext.write (AbstractChannelHandlerContext.java790)
   at io.netty.channel.AbstractChannelHandlerContext.writeAndFlush (AbstractChannelHandlerContext.java758)
   at io.netty.channel.AbstractChannelHandlerContext.writeAndFlush (AbstractChannelHandlerContext.java808)
   at io.netty.channel.DefaultChannelPipeline.writeAndFlush (DefaultChannelPipeline.java1025)
   at io.netty.channel.AbstractChannel.writeAndFlush (AbstractChannel.java294)
   at reactor.netty.http.HttpOperations.lambda$send$0 (HttpOperations.java123)
   at reactor.core.publisher.MonoFlatMap$FlatMapMain.onNext (MonoFlatMap.java118)
   at reactor.core.publisher.FluxMapFuseable$MapFuseableSubscriber.onNext (FluxMapFuseable.java121)
   at reactor.core.publisher.FluxContextStart$ContextStartSubscriber.onNext (FluxContextStart.java96)
   at reactor.core.publisher.Operators$ScalarSubscription.request (Operators.java2344) …